Grumbacher Bristlette Round Oil and Acrylic Brush, Synthetic Bristles, Size 4 (4720R.4) Create very controlled brush strokes and details Brush has a round ferrule, tip is round and slightly pointed White, intermediate-grade Taklon filaments that resist abuse - ideal for use with oils and acrylics Long, maple-stained handle with a durable, nickel-plated brass ferrule Intermediate studio-grade brush